Process for the continuous fermentation of aqueous slurries for

Details Process for the continuous fermentation of aqueous slurries for Process for the continuous fermentation of aqueous slurries for

1980-09-18

1982-08-24

Hunter, Jeanette M.

Food or edible material: processes, compositions, and products

Fermentation processes

Alcoholic beverage production or treatment to result in...

426 14, 426 60, 435161, 435256, 435804, C12P 706, C12G 302

Patent

active

043461131

ABSTRACT:
A continuous process for the production of alcohol and yeast biomass by reaction in a uniform fermenting mixture of a sugar-bearing, aqueous slurry, starter yeast, yeast nutrients and an oxygen-bearing gas, wherein the yeast is a flocculating, bottom yeast, the portion of the wort which remains after separation of the alcohol-bearing medium therefrom, is recycled to the fermenting mixture, the oxygen-bearing gas is dispersed homogeneously throughout the fermenting mixture, and is introduced to maintain a mean-free oxygen concentration not greater than 1 ppm in the aqueous phase, and the process is controlled to maintain the measurable free sugar concentration in the fermenting mixture at a level which does not exceed 0.1 percent by weight, and to maintain the active yeast concentration in the fermenting mixture between 100 and 110 percent of the specific degree of fermentation.

REFERENCES:
patent: 2676137 (1954-04-01), Schneider
patent: 3120473 (1964-02-01), Deloffre
patent: 3384553 (1968-05-01), Caslavsky et al.
patent: 3563759 (1971-02-01), Wolter et al.
patent: 3868305 (1975-02-01), Masuda et al.
patent: 4064015 (1977-12-01), Nyiri et al.
patent: 4080260 (1978-03-01), Chao

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